<Window 
   x:Class="MicroParser.WpfBindings.TestApp.MainWindow" 
   xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
   xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
   xmlns:wb="clr-namespace:MicroParser.WpfBindings;assembly=MicroParser.WpfBindings" 
   Title="MainWindow" 
   Height="350" 
   Width="525"
   >
	<Grid x:Name="Root">
		<StackPanel VerticalAlignment="Center" HorizontalAlignment="Center">
			<Button HorizontalAlignment="Left" x:Name="Btn" Height="24" Content="Test" Width="{wb:ExpressionBinding Expression='#Root.ActualWidth/2.0 ! 200'}" />
			<TextBox BorderBrush="Blue" BorderThickness="3" Height="24" Text="Testing" Width="{wb:ExpressionBinding Expression='#Btn.ActualWidth + 100'}" />

		</StackPanel>

	</Grid>
</Window>